Extraction of road features from UAV images using a novel level set segmentation approach

Abolfazl Abdollahi, Biswajeet Pradhan and Nagesh Shukla

International Journal of Urban Sciences, 2019, vol. 23, issue 3, 391-405

Abstract: A novel hybrid technique for road extraction from UAV imagery is presented in this paper. The suggested analysis begins with image segmentation via Trainable Weka Segmentation. This step uses an immense range of image features, such as detectors for edge detection, filters for texture, filters for noise depletion and a membrane finder. Then, a level set method is performed on the segmented images to extract road features. Next, morphological operators are applied on the images for improving extraction precision. Eventually, the road extraction precision is calculated on the basis of manually digitized road layers. Obtained results indicated that the average proportions of completeness, correctness and quality were 93.52%, 85.79% and 81.01%, respectively. Therefore, experimental results validated the superior performance of the proposed hybrid approach in road extraction from UAV images.

Date: 2019
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DOI: 10.1080/12265934.2019.1596040

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